1762804520

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{390001}}^1$

素因数の和:390125

約数の個数: 32

約数和(自身を含む): 4001420520

約数和(自身を除く): 2238616000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 390001, 780002, 1560004, 1950005, 3120008, 3900010, 7800020, 15600040, 44070113, 88140226, 176280452, 220350565, 352560904, 440701130, 881402260, 1762804520]

約数ペア:

[(1, 1762804520), (2, 881402260), (4, 440701130), (5, 352560904), (8, 220350565), (10, 176280452), (20, 88140226), (40, 44070113), (113, 15600040), (226, 7800020), (452, 3900010), (565, 3120008), (904, 1950005), (1130, 1560004), (2260, 780002), (4520, 390001)]